How To Fix ME021 - One-time supplier not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 021

• Message text: One-time supplier not defined

What causes this issue?

It does not make sense to allow a <GL><GL:one-time_vendor>one-time
supplier</> in this situation.

How to fix this error?

Check the supplier number you entered.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ME021 - One-time supplier not defined ?

  The SAP error message ME021, which states "One-time supplier not defined," typically occurs when you are trying to create a purchase order or a related document for a one-time supplier, but the system cannot find the necessary configuration or data for that supplier.
  Cause:
  
  Missing One-Time Supplier Configuration: The one-time supplier has not been properly defined in the system. This can happen if the supplier data is incomplete or if the one-time supplier functionality has not been set up correctly.
  Incorrect Vendor Master Data: The vendor master data for the one-time supplier may not be created or may be incomplete.
  Purchasing Organization Settings: The purchasing organization may not be set up to allow one-time suppliers.
  
  Solution:
  
  
  Define One-Time Supplier:
  
  Go to the transaction code XK01 (Create Vendor) or MK01 (Create Vendor for Purchasing) in SAP.
  Select the option for "One-Time Vendor" and fill in the required fields.
  Ensure that all necessary information, such as address, payment terms, and bank details, is provided.
  
  
  
  Check Vendor Master Data:
  
  Use transaction code XK03 (Display Vendor) to check if the one-time supplier exists and is correctly configured.
  If the vendor is missing or incomplete, create or update the vendor master data.
  
  
  
  Review Purchasing Organization Settings:
  
  Ensure that the purchasing organization is configured to allow one-time suppliers. This can be checked in the configuration settings under SPRO (SAP Reference IMG) > Materials Management > Purchasing > Vendor Master > Define One-Time Vendor.
  
  
  
  Use the Correct Document Type:
  
  Ensure that you are using the correct document type that supports one-time vendors when creating a purchase order.
  
  
  
  Consult with Your SAP Administrator:
  
  If you are unable to resolve the issue, consult with your SAP administrator or support team to ensure that all necessary configurations are in place.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  XK01: Create Vendor
  XK03: Display Vendor
  MK01: Create Vendor for Purchasing
  MK03: Display Vendor for Purchasing
  
  
  Configuration Path: 
  
  SPRO > Materials Management > Purchasing > Vendor Master > Define One-Time Vendor
  
  
  Documentation: Refer to SAP Help documentation for more details on vendor master data and one-time suppliers.
  
  By following these steps, you should be able to resolve the ME021 error and successfully create a purchase order for a one-time supplier.